It looks like these are conference proceedings - not a journal article, it's basically front matter for a presentation at a conference and isn't necessarily pee

It looks like these are conference proceedings - not a journal article, it's basically front matter for a presentation at a conference and isn't necessarily peer reviewed. Things must have changed a bit, back in my day SPIE was for optics, but I guess I only went to those kinds of parties, there may have been some quantum DNA people doing some stuff :)